73 lines
1.7 KiB
Makefile
73 lines
1.7 KiB
Makefile
# See LICENSE for license details.
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ifndef _SIFIVE_MK_COMMON
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_SIFIVE_MK_COMMON := # defined
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.PHONY: all
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all: $(TARGET)
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include $(BSP_BASE)/libwrap/libwrap.mk
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ENV_DIR = $(BSP_BASE)/env
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PLATFORM_DIR = $(ENV_DIR)/$(BOARD)
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ASM_SRCS += $(ENV_DIR)/start.S
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ASM_SRCS += $(ENV_DIR)/entry.S
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C_SRCS += $(PLATFORM_DIR)/init.c
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LINKER_SCRIPT := $(PLATFORM_DIR)/$(LINK_TARGET).lds
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INCLUDES += -I$(BSP_BASE)/include
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INCLUDES += -I$(BSP_BASE)/drivers/
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INCLUDES += -I$(ENV_DIR)
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INCLUDES += -I$(PLATFORM_DIR)
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TOOL_DIR ?= $(BSP_BASE)/../toolchain/bin/
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LDFLAGS += -T $(LINKER_SCRIPT) -nostartfiles
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LDFLAGS += -L$(ENV_DIR) --specs=nano.specs
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ASM_OBJS := $(ASM_SRCS:.S=.o)
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C_OBJS := $(C_SRCS:.c=.o)
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CXX_OBJS := $(CXX_SRCS:.cpp=.o)
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LINK_OBJS += $(ASM_OBJS) $(C_OBJS) $(CXX_OBJS)
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LINK_DEPS += $(LINKER_SCRIPT)
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CLEAN_OBJS += $(TARGET) $(LINK_OBJS)
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CFLAGS += -march=$(RISCV_ARCH)
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CFLAGS += -mabi=$(RISCV_ABI)
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CFLAGS += -mcmodel=medany
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TRIPLET?=riscv32
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CXX=$(LLVM_TOOL_DIR)clang++ --target=$(TRIPLET) -isystem $(TOOL_DIR)/../$(TRIPLET)/include
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CC=$(LLVM_TOOL_DIR)clang --target=$(TRIPLET) -isystem $(TOOL_DIR)/../$(TRIPLET)/include
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LD=$(TOOL_DIR)$(TRIPLET)-gcc
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AR=$(TOOL_DIR)$(TRIPLET)-ar
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OBJDUMP := $(TOOL_DIR)/$(TRIPLET)-objdump
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$(TARGET): $(LINK_OBJS) $(LINK_DEPS)
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$(LD) $(LINK_OBJS) $(LDFLAGS) $(LIBWRAP) -o $@
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$(OBJDUMP) -d -S $(TARGET) > $(TARGET).dis
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$(ASM_OBJS): %.o: %.S $(HEADERS)
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$(CC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
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$(C_OBJS): %.o: %.c $(HEADERS)
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$(CC) $(CFLAGS) $(INCLUDES) -include sys/cdefs.h -c -o $@ $<
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$(CXX_OBJS): %.o: %.cpp $(HEADERS)
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$(CXX) $(CFLAGS) $(CXXFLAGS) $(INCLUDES) -include sys/cdefs.h -c -o $@ $<
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.PHONY: clean
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clean:
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rm -f $(TARGET) $(LINK_OBJS)
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.PHONY: clean-all
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clean-all:
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rm -f $(CLEAN_OBJS) $(LIBWRAP)
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endif
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